Publication
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Origin of the tertiary red beds in the Northern part of the Duero Basin (Spain), II. Composition and genesis Article
Leidse Geologische Mededelingen, 26(1), 233-254.January 1961
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Some fossil Clypeastrids (Echinoidea) from Brimstone Hill (St. Kitts) and Sugar Loaf (St. Eustatius), Lesser Antilles Article
Beaufortia, 9(94), 1-6.January 1961
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New species of Acarina from the intertidal zone in Netherlands New Guinea Article
Zoologische Mededelingen, 37(12), 189-209.January 1961
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Nomina generica conservanda et rejicienda Spermatophytorum Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 175(1), 211-193.January 1961
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A misrepresentation through a misleading diagnosis in Winberg’s Florula Javanica Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 11(1), 226-228.January 1961
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Habits and host-associations of Indomalayan Rhynchophorinae (Coleoptera, Curculionidae) Article
Beaufortia, 9(96), 49-73.January 1961
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Florae Malesianae Precursores XXX. The genus Scleria in Malaysia Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 11(1), 140-218.January 1961
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The chromosome number of Anthocleista djalonensis Chev Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 172(1), 107-108.January 1961